main{
    width: 1689px;
    height: 3400px;
    background: #000000;
}
header{
    height: 80px;
    display: flex;  /*设置弹性盒子*/
    justify-content: space-between;
}
header div{
    height: 80px;
    width: 33.3%;
}
#logo{
    position: relative;   /*相对位置*/
    margin-left: 80px;
    top: 18px;
}
#logo_lavel{
    font-size: 18px;
    color: whitesmoke;
}
#nav a{
    margin: 30px 30px;
    position: relative;
    justify-content: center;
    align-items: center;
    display: inline-flex;
    color: white;
    text-decoration: none;
}
#nav a:hover{
    color: brown;
}
#tel_logo{
    width: 60px;
    margin-top: 15px;
}
#tel_number{
    color: white;
    font-size: 18px;
    font-family: 宋体;
    position: relative;
    bottom: 18px;
}
#go1{
    border-color: white;
    background-color: black;
    color: white;
    display: flex;
    position: relative;   
    float: right;
    width: 25%;
    height: 45px;
    margin-top: 3.5%;
    margin-right: 40%;
    justify-content: center;
    align-items: center;    
    border-radius: 12px;
}
#d1{
    width: 100%;
    height: 11.6%;
    margin: 0px;
    background: #5f5b5b;
}
#d1_img{
    float: right;
    margin-right: 38px;
}
#d1_pifa{
    color: white;
    font-family: 宋体;
    font-size: 40px;
    margin-top: 20px;
    margin-left: 80px;
}
#d1_dingyi1{
    color: #c3c0c0;
    margin-left: 80px;
}
#d1_dingyi2{
    color: #c3c0c0;
    margin-left: 80px;
}
#go2{
    background-color: #f73f3f;
    color: white;
    border: none;
    margin-left: 85px;
    width: 220px;
    height: 55px;
    border-radius: 33px;
}
#d2{
    height: 250px;
    flex-direction: row;
    display: flex;
}
#d2_box{
    width: 422px;
    height: 250px;
}
#d2_box img{
    margin-top: 30px;
    margin-left: 120px;
}
#d2_title{
    color: #cb4c4c;
    margin-left: 157px;
}
#d2_title1{
    color: #c3c0c0;
    margin-left: 70px;
}

#d3{
    background-color: #e2e2e8;
    height: 520px;
}
#d3_title1{
    font-size: 37px;
    margin-left: 680px;
}
#d3_title2{
    font-size: 37px;
    color: #e46e6e;
}
#d3_title3{
    margin-left: 730px;
    color: #c3c0c0;
}
#d3_title4{
    color: #e46e81;
    font-size: 20px;
    font-family: 宋体;
    margin-left: 108px;
}
#d3_title5{
    color: #c3c0c0;
    margin-left: 40px;
}
#d3_box1{
    height: 250px;
    flex-direction: row;
    display: flex;
    justify-content: center;
}
#d3_box2{
    border: red 1px solid;
    border-radius: 15px;
    width: 350px;
    height: 250px;
    margin-left: 80px;
}
#d3_box2 img{
    margin-left: 90px;
    margin-top: 20px;
}
#d4{
    height: 600px;
    background-color: white;
}
#d4_1{
    width: 100px;
    height: 40px;
    border-radius: 15px;
    border: none;
    background: #d06d6d;
    margin-left: 690px;
}
#d4_2{
    width: 100px;
    height: 40px;
    border-radius: 15px;
    border: none;
    background: #d06d6d;
    margin-left: 50px;
}
#d4_1 a{
    color: white;
    text-decoration: none;
}
#d4_2 a{
    color: white;
    text-decoration: none;
}
#d4 button:hover{
    background-color: #978686;
}
#d4_title1{
    font-size: 35px;
    font-family: 宋体;
    margin-left: 40px;
}
#d4_title2{
    font-size: 34px;
    color: #e56e6e;
    font-family: 宋体;
}
#d4 img{
    margin-top: 50px;
    margin-right: 60px;
    float: right;
}
#d4_title3{
    color: #827b7b;
    margin-left: 40px;
}
#d4_title4{
    margin-left: 40px;
    color: #827b7b;
}
#d4 a{
    color: whitesmoke;
    text-decoration: none;
    font-size: 24px;
}
#d4_3{
    width: 260px;
    height: 70px;
    border: none;
    background-color: #d06d6d;
    border-radius: 15px;
    margin-left: 40px;
}
#d5{
    background-color: #dad6d6;
    height: 530px;
}
#d5_title1{
    color: #c03532;
    font-size: 35px;
    margin-left: 650px;
    font-family: 宋体;
}
#d5 img{
    width: 250px;
    margin-left: 90px;
    float: left;
}
#d5_title2{
    color: #7d7878;
    font-size: 18px;
    margin-left: 360px;
}
#d5_title3{
    font-size: 25px;
    color: #d66366;
    margin-left: 360px;
}
#d5_title4{
    font-size: 20px;
    color: #d66363;
    margin-left: 360px;
}
#d5_title5{
    font-size: 40px;
    font-family: 'Times New Roman', Times, serif;
    margin-right: 180px;
    float: right;
}
#d6{
    height: 600px;
    background-color: white;
}
#d6_title1{
    color: red;
    font-size: 34px;
    font-family: 宋体;
    margin-left: 80px;
}
#d6 img{
    float: right;
}
#d6_1{
    width: 260px;
    height: 40px;
    font-size: 18px;
    margin-left: 80px;
}
#d6_2{
    width: 260px;
    height: 40px;
    font-size: 18px;
}
#d6_3{
    width: 530px;
    height: 40px;
    font-size: 18px;
    margin-left: 80px;
}
#d6_4{
    margin-left: 80px;
    font-size: 18px;
}
#d6_5{
    width: 260px;
    height: 40px;
    background-color: red;
    font-size: 25px;
    margin-left: 80px;
    color: white;
    border: none;
}
#d6_6{
    margin-left: 80px;
    color: #dad6d6;
    font-size: 18px;
}
#d7{
    height: 150px;
}
#d7 label{
    margin-left: 80px;
    color: rgb(145, 137, 137);
    font-family: 宋体;
    font-size: 24px;
}
#d7_1 a{
    color: whitesmoke;
    text-decoration: none;
}
#d7 button{
    border: none;
}
#d7_1{
    width: 200px;
    height: 60px;
    background-color: #d7551a;
    border-radius: 30px;
    float: right;
    margin-right: 40px;
}
#d8{
    height: 300px;
    background-color: #333435;
    flex-direction: row;
    display: flex;
    justify-content: center;
}
#d8_box{
    width: 420px;
}
#d8_big_title1{
    color: #bab7b2;
    font-size: 30px;
    margin-left: 80px;
}
#d8_title1{
    color: #c3c0c0;
    margin-left: 80px;
    font-size: 17px;
}
#d8_big_title2{
    color: #bab7b2;
    font-size: 30px;
    margin-left: 40px;
}
#d8_title2{
    color: #008000;
    margin-left: 40px;
    font-size: 17px;
}
#d8_title3{
    color: #bab7b2;
    margin-left: 40px;
    font-size: 17px;
}
#d8 img{
    margin-left: 40px;
}
#d8_title4{
    color: #bab7b2;
    font-size: 17px;
}